{"id":"CVE-2026-98754","aliases":[],"cve":{"records":[{"id":"CVE-2026-98754","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.368Z","published":"2026-10-18T15:47:40.255Z","modified":"2026-10-30T12:39:24.788Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-10-30T12:39:24.788Z"}],"references":[{"url":"https://git.kernel.org/stable/c/b0ad9d025c3229a628a82fbaa7578891075a950d","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/b193617080b7036d143674089bcfb7d2ba3db588","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/afcbb821c571f39b273127a7c7d26cb2cef27d2f","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/57753441ef84bee3bf0e9ee1e3778d119c44aa32","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/88f6ecb058801e9ce7b9aabc966530118d7cd53c","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/821050631750e982007c0856c119346edba51cae","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/03b49c991abb8d021ca6fe51cd173447236b0552","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.3"}]}]}]}],"prioritization":[]},"title":"tty: vcc: hold port lock when clearing tty pointer in vcc_cleanup","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: vcc: hold port lock when clearing tty pointer in vcc_cleanup\n\nvcc_cleanup() sets port->tty to NULL without holding port->lock, racing\nwith vcc_event() LDC callbacks that read port->tty under port->lock and\nthen use tty->port. This can cause a use-after-free when the callback\ndereferences tty->port after cleanup has already destroyed and freed it.","score":null,"severity":"unknown","published":"2026-10-18T15:47:40.255Z","modified":"2026-10-30T12:39:24.788Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"b0ad9d025c3229a628a82fbaa7578891075a950d","versionType":"git"},{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"b193617080b7036d143674089bcfb7d2ba3db588","versionType":"git"},{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"afcbb821c571f39b273127a7c7d26cb2cef27d2f","versionType":"git"},{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"57753441ef84bee3bf0e9ee1e3778d119c44aa32","versionType":"git"},{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"88f6ecb058801e9ce7b9aabc966530118d7cd53c","versionType":"git"},{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"821050631750e982007c0856c119346edba51cae","versionType":"git"},{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4","versionType":"git"},{"version":"8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb","status":"affected","lessThan":"03b49c991abb8d021ca6fe51cd173447236b0552","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98754"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98754"}],"remediation":[],"references":["https://git.kernel.org/stable/c/b0ad9d025c3229a628a82fbaa7578891075a950d","https://git.kernel.org/stable/c/b193617080b7036d143674089bcfb7d2ba3db588","https://git.kernel.org/stable/c/afcbb821c571f39b273127a7c7d26cb2cef27d2f","https://git.kernel.org/stable/c/57753441ef84bee3bf0e9ee1e3778d119c44aa32","https://git.kernel.org/stable/c/88f6ecb058801e9ce7b9aabc966530118d7cd53c","https://git.kernel.org/stable/c/821050631750e982007c0856c119346edba51cae","https://git.kernel.org/stable/c/1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4","https://git.kernel.org/stable/c/03b49c991abb8d021ca6fe51cd173447236b0552"],"sources":[{"name":"CVE","id":"CVE-2026-98754","modified":"2026-10-30T12:39:24.788Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-98754"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-10-30T14:04:57.488Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:50:31.991Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}